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zalisa [80]
2 years ago
15

What is the ratio? Help me please!! Thanks so much

Mathematics
1 answer:
Svetlanka [38]2 years ago
5 0

Answer: 27:1

Step-by-step explanation:

The ratio of the volumes is equal to the cube of the ratio of the altitudes.

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X^2 = 6x + 27; COMPLETING THE SQUARE
DedPeter [7]

x^2 = 6x + 27

x^2−6x−27=0

(x−9)(x+3)=0

x=9,−3

3 0
3 years ago
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A machine stamps 330 parts in 11 minutes. Find the unit rate in parts per hour.
zavuch27 [327]

Answer:

1,800 parts per hour

Step-by-step explanation:

330 parts = 11 min

330/11=30

30 parts = 1 min

60 min = 1 hour

30x60min=1,800

1,800 parts per hour

5 0
3 years ago
Hank estimated width of the door to his classroom in feet. what is a reasonable estimate?
Sholpan [36]
<span>The measurements of an average door are 80 inches by 36 inches. In this measurement, the length is 80 inches and the width is 36 inches. If Hank estimates the width of the door of his classroom, he will then most likely estimate it at 36 inches. To convert this into feet, you must know that 12 inches make 1 foot. So, 36 inches divided by 12 inches will convert the measurement to feet: 36/12 = 3. Thus, the answer is 3 feet.</span>
5 0
3 years ago
A stream is flowing down a slope into a larger river. The elevation of the head of the stream is 1,776 feet above sea level. The
ddd [48]

Answer:

  -167.2 ft/mile

Step-by-step explanation:

The "rise" is 1298 -1776 = -478 ft. The run is given as 15,098 ft, so the slope is ...

  slope = rise/run = -478/15098 ≈ -0.0316598

For 5280 feet in 1 mile, that rate of change amounts to ...

  -0.0316598×5280 ft ≈ -167.2 ft . . . per mile

3 0
3 years ago
Find the area of the shaded regions.
never [62]

Answer:

around 22, or 21.98

Step-by-step explanation:

s1 =  {r}^{2}  \times \pi = 9 \times 3.14 = 28.26

s2 = 1 \times 3.14 = 3.14

s3 = 28.26 - (3.14 \times 2) = 28.26 - 6.28 = 21.98

4 0
3 years ago
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